mirror of
https://github.com/l1ving/youtube-dl
synced 2024-11-22 06:22:51 +08:00
1901 lines
58 KiB
Python
1901 lines
58 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import calendar
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import codecs
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import contextlib
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import ctypes
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import datetime
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import email.utils
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import errno
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import functools
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import gzip
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import itertools
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import io
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import json
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import locale
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import math
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import operator
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import os
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import pipes
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import platform
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import re
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import ssl
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import socket
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import struct
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import subprocess
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import sys
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import tempfile
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import traceback
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import xml.etree.ElementTree
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import zlib
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from .compat import (
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compat_basestring,
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compat_chr,
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compat_html_entities,
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compat_http_client,
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compat_kwargs,
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compat_parse_qs,
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compat_socket_create_connection,
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compat_str,
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compat_urllib_error,
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compat_urllib_parse,
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compat_urllib_parse_urlparse,
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compat_urllib_request,
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compat_urlparse,
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shlex_quote,
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)
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# This is not clearly defined otherwise
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compiled_regex_type = type(re.compile(''))
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std_headers = {
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'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/20.0 (Chrome)',
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'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
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'Accept-Encoding': 'gzip, deflate',
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'Accept-Language': 'en-us,en;q=0.5',
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}
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ENGLISH_MONTH_NAMES = [
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'January', 'February', 'March', 'April', 'May', 'June',
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'July', 'August', 'September', 'October', 'November', 'December']
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def preferredencoding():
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"""Get preferred encoding.
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Returns the best encoding scheme for the system, based on
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locale.getpreferredencoding() and some further tweaks.
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"""
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try:
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pref = locale.getpreferredencoding()
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'TEST'.encode(pref)
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except Exception:
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pref = 'UTF-8'
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return pref
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def write_json_file(obj, fn):
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""" Encode obj as JSON and write it to fn, atomically if possible """
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fn = encodeFilename(fn)
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if sys.version_info < (3, 0) and sys.platform != 'win32':
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encoding = get_filesystem_encoding()
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# os.path.basename returns a bytes object, but NamedTemporaryFile
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# will fail if the filename contains non ascii characters unless we
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# use a unicode object
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path_basename = lambda f: os.path.basename(fn).decode(encoding)
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# the same for os.path.dirname
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path_dirname = lambda f: os.path.dirname(fn).decode(encoding)
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else:
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path_basename = os.path.basename
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path_dirname = os.path.dirname
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args = {
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'suffix': '.tmp',
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'prefix': path_basename(fn) + '.',
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'dir': path_dirname(fn),
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'delete': False,
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}
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# In Python 2.x, json.dump expects a bytestream.
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# In Python 3.x, it writes to a character stream
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if sys.version_info < (3, 0):
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args['mode'] = 'wb'
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else:
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args.update({
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'mode': 'w',
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'encoding': 'utf-8',
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})
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tf = tempfile.NamedTemporaryFile(**compat_kwargs(args))
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try:
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with tf:
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json.dump(obj, tf)
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if sys.platform == 'win32':
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# Need to remove existing file on Windows, else os.rename raises
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# WindowsError or FileExistsError.
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try:
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os.unlink(fn)
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except OSError:
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pass
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os.rename(tf.name, fn)
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except Exception:
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try:
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os.remove(tf.name)
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except OSError:
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pass
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raise
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if sys.version_info >= (2, 7):
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def find_xpath_attr(node, xpath, key, val):
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""" Find the xpath xpath[@key=val] """
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assert re.match(r'^[a-zA-Z-]+$', key)
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assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val)
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expr = xpath + "[@%s='%s']" % (key, val)
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return node.find(expr)
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else:
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def find_xpath_attr(node, xpath, key, val):
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# Here comes the crazy part: In 2.6, if the xpath is a unicode,
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# .//node does not match if a node is a direct child of . !
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if isinstance(xpath, compat_str):
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xpath = xpath.encode('ascii')
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for f in node.findall(xpath):
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if f.attrib.get(key) == val:
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return f
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return None
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# On python2.6 the xml.etree.ElementTree.Element methods don't support
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# the namespace parameter
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def xpath_with_ns(path, ns_map):
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components = [c.split(':') for c in path.split('/')]
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replaced = []
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for c in components:
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if len(c) == 1:
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replaced.append(c[0])
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else:
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ns, tag = c
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replaced.append('{%s}%s' % (ns_map[ns], tag))
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return '/'.join(replaced)
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def xpath_text(node, xpath, name=None, fatal=False):
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if sys.version_info < (2, 7): # Crazy 2.6
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xpath = xpath.encode('ascii')
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n = node.find(xpath)
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if n is None or n.text is None:
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if fatal:
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name = xpath if name is None else name
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raise ExtractorError('Could not find XML element %s' % name)
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else:
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return None
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return n.text
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def get_element_by_id(id, html):
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"""Return the content of the tag with the specified ID in the passed HTML document"""
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return get_element_by_attribute("id", id, html)
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def get_element_by_attribute(attribute, value, html):
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"""Return the content of the tag with the specified attribute in the passed HTML document"""
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m = re.search(r'''(?xs)
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<([a-zA-Z0-9:._-]+)
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(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*?
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\s+%s=['"]?%s['"]?
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(?:\s+[a-zA-Z0-9:._-]+(?:=[a-zA-Z0-9:._-]+|="[^"]+"|='[^']+'))*?
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\s*>
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(?P<content>.*?)
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</\1>
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''' % (re.escape(attribute), re.escape(value)), html)
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if not m:
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return None
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res = m.group('content')
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if res.startswith('"') or res.startswith("'"):
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res = res[1:-1]
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return unescapeHTML(res)
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def clean_html(html):
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"""Clean an HTML snippet into a readable string"""
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if html is None: # Convenience for sanitizing descriptions etc.
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return html
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# Newline vs <br />
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html = html.replace('\n', ' ')
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html = re.sub(r'\s*<\s*br\s*/?\s*>\s*', '\n', html)
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html = re.sub(r'<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
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# Strip html tags
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html = re.sub('<.*?>', '', html)
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# Replace html entities
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html = unescapeHTML(html)
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return html.strip()
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def sanitize_open(filename, open_mode):
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"""Try to open the given filename, and slightly tweak it if this fails.
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Attempts to open the given filename. If this fails, it tries to change
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the filename slightly, step by step, until it's either able to open it
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or it fails and raises a final exception, like the standard open()
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function.
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It returns the tuple (stream, definitive_file_name).
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"""
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try:
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if filename == '-':
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if sys.platform == 'win32':
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import msvcrt
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msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
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return (sys.stdout.buffer if hasattr(sys.stdout, 'buffer') else sys.stdout, filename)
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stream = open(encodeFilename(filename), open_mode)
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return (stream, filename)
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except (IOError, OSError) as err:
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if err.errno in (errno.EACCES,):
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raise
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# In case of error, try to remove win32 forbidden chars
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alt_filename = sanitize_path(filename)
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if alt_filename == filename:
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raise
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else:
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# An exception here should be caught in the caller
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stream = open(encodeFilename(alt_filename), open_mode)
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return (stream, alt_filename)
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def timeconvert(timestr):
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"""Convert RFC 2822 defined time string into system timestamp"""
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timestamp = None
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timetuple = email.utils.parsedate_tz(timestr)
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if timetuple is not None:
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timestamp = email.utils.mktime_tz(timetuple)
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return timestamp
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def sanitize_filename(s, restricted=False, is_id=False):
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"""Sanitizes a string so it could be used as part of a filename.
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If restricted is set, use a stricter subset of allowed characters.
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Set is_id if this is not an arbitrary string, but an ID that should be kept if possible
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"""
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def replace_insane(char):
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if char == '?' or ord(char) < 32 or ord(char) == 127:
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return ''
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elif char == '"':
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return '' if restricted else '\''
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elif char == ':':
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return '_-' if restricted else ' -'
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elif char in '\\/|*<>':
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return '_'
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if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace()):
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return '_'
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if restricted and ord(char) > 127:
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return '_'
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return char
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# Handle timestamps
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s = re.sub(r'[0-9]+(?::[0-9]+)+', lambda m: m.group(0).replace(':', '_'), s)
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result = ''.join(map(replace_insane, s))
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if not is_id:
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while '__' in result:
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result = result.replace('__', '_')
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result = result.strip('_')
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# Common case of "Foreign band name - English song title"
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if restricted and result.startswith('-_'):
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result = result[2:]
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if result.startswith('-'):
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result = '_' + result[len('-'):]
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result = result.lstrip('.')
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if not result:
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result = '_'
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return result
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def sanitize_path(s):
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"""Sanitizes and normalizes path on Windows"""
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if sys.platform != 'win32':
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return s
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drive_or_unc, _ = os.path.splitdrive(s)
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if sys.version_info < (2, 7) and not drive_or_unc:
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drive_or_unc, _ = os.path.splitunc(s)
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norm_path = os.path.normpath(remove_start(s, drive_or_unc)).split(os.path.sep)
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if drive_or_unc:
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norm_path.pop(0)
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sanitized_path = [
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path_part if path_part in ['.', '..'] else re.sub('(?:[/<>:"\\|\\\\?\\*]|\.$)', '#', path_part)
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for path_part in norm_path]
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if drive_or_unc:
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sanitized_path.insert(0, drive_or_unc + os.path.sep)
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return os.path.join(*sanitized_path)
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def orderedSet(iterable):
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""" Remove all duplicates from the input iterable """
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res = []
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for el in iterable:
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if el not in res:
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res.append(el)
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return res
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def _htmlentity_transform(entity):
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"""Transforms an HTML entity to a character."""
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# Known non-numeric HTML entity
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if entity in compat_html_entities.name2codepoint:
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return compat_chr(compat_html_entities.name2codepoint[entity])
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mobj = re.match(r'#(x[0-9a-fA-F]+|[0-9]+)', entity)
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if mobj is not None:
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numstr = mobj.group(1)
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if numstr.startswith('x'):
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base = 16
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numstr = '0%s' % numstr
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else:
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base = 10
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return compat_chr(int(numstr, base))
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# Unknown entity in name, return its literal representation
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return ('&%s;' % entity)
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def unescapeHTML(s):
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if s is None:
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return None
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assert type(s) == compat_str
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return re.sub(
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r'&([^;]+);', lambda m: _htmlentity_transform(m.group(1)), s)
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def get_subprocess_encoding():
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if sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
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# For subprocess calls, encode with locale encoding
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# Refer to http://stackoverflow.com/a/9951851/35070
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encoding = preferredencoding()
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else:
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encoding = sys.getfilesystemencoding()
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if encoding is None:
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encoding = 'utf-8'
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return encoding
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def encodeFilename(s, for_subprocess=False):
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"""
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@param s The name of the file
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"""
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assert type(s) == compat_str
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# Python 3 has a Unicode API
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if sys.version_info >= (3, 0):
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return s
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# Pass '' directly to use Unicode APIs on Windows 2000 and up
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# (Detecting Windows NT 4 is tricky because 'major >= 4' would
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# match Windows 9x series as well. Besides, NT 4 is obsolete.)
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if not for_subprocess and sys.platform == 'win32' and sys.getwindowsversion()[0] >= 5:
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return s
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return s.encode(get_subprocess_encoding(), 'ignore')
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def decodeFilename(b, for_subprocess=False):
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if sys.version_info >= (3, 0):
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return b
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if not isinstance(b, bytes):
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return b
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return b.decode(get_subprocess_encoding(), 'ignore')
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def encodeArgument(s):
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if not isinstance(s, compat_str):
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# Legacy code that uses byte strings
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# Uncomment the following line after fixing all post processors
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# assert False, 'Internal error: %r should be of type %r, is %r' % (s, compat_str, type(s))
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s = s.decode('ascii')
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return encodeFilename(s, True)
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def decodeArgument(b):
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return decodeFilename(b, True)
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def decodeOption(optval):
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if optval is None:
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return optval
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if isinstance(optval, bytes):
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optval = optval.decode(preferredencoding())
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assert isinstance(optval, compat_str)
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return optval
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def formatSeconds(secs):
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if secs > 3600:
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return '%d:%02d:%02d' % (secs // 3600, (secs % 3600) // 60, secs % 60)
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elif secs > 60:
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return '%d:%02d' % (secs // 60, secs % 60)
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else:
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return '%d' % secs
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def make_HTTPS_handler(params, **kwargs):
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opts_no_check_certificate = params.get('nocheckcertificate', False)
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if hasattr(ssl, 'create_default_context'): # Python >= 3.4 or 2.7.9
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context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH)
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if opts_no_check_certificate:
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context.check_hostname = False
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context.verify_mode = ssl.CERT_NONE
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try:
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return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
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except TypeError:
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# Python 2.7.8
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# (create_default_context present but HTTPSHandler has no context=)
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pass
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if sys.version_info < (3, 2):
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return YoutubeDLHTTPSHandler(params, **kwargs)
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else: # Python < 3.4
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context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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context.verify_mode = (ssl.CERT_NONE
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if opts_no_check_certificate
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else ssl.CERT_REQUIRED)
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context.set_default_verify_paths()
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return YoutubeDLHTTPSHandler(params, context=context, **kwargs)
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def bug_reports_message():
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if ytdl_is_updateable():
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update_cmd = 'type youtube-dl -U to update'
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else:
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update_cmd = 'see https://yt-dl.org/update on how to update'
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msg = '; please report this issue on https://yt-dl.org/bug .'
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msg += ' Make sure you are using the latest version; %s.' % update_cmd
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msg += ' Be sure to call youtube-dl with the --verbose flag and include its complete output.'
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return msg
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|
|
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class ExtractorError(Exception):
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"""Error during info extraction."""
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def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None):
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""" tb, if given, is the original traceback (so that it can be printed out).
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If expected is set, this is a normal error message and most likely not a bug in youtube-dl.
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"""
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if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
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expected = True
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if video_id is not None:
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msg = video_id + ': ' + msg
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if cause:
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msg += ' (caused by %r)' % cause
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if not expected:
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msg += bug_reports_message()
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super(ExtractorError, self).__init__(msg)
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self.traceback = tb
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self.exc_info = sys.exc_info() # preserve original exception
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self.cause = cause
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self.video_id = video_id
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def format_traceback(self):
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if self.traceback is None:
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return None
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return ''.join(traceback.format_tb(self.traceback))
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|
|
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class UnsupportedError(ExtractorError):
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def __init__(self, url):
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super(UnsupportedError, self).__init__(
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'Unsupported URL: %s' % url, expected=True)
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self.url = url
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|
|
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class RegexNotFoundError(ExtractorError):
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"""Error when a regex didn't match"""
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pass
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|
|
|
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class DownloadError(Exception):
|
|
"""Download Error exception.
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|
|
This exception may be thrown by FileDownloader objects if they are not
|
|
configured to continue on errors. They will contain the appropriate
|
|
error message.
|
|
"""
|
|
|
|
def __init__(self, msg, exc_info=None):
|
|
""" exc_info, if given, is the original exception that caused the trouble (as returned by sys.exc_info()). """
|
|
super(DownloadError, self).__init__(msg)
|
|
self.exc_info = exc_info
|
|
|
|
|
|
class SameFileError(Exception):
|
|
"""Same File exception.
|
|
|
|
This exception will be thrown by FileDownloader objects if they detect
|
|
multiple files would have to be downloaded to the same file on disk.
|
|
"""
|
|
pass
|
|
|
|
|
|
class PostProcessingError(Exception):
|
|
"""Post Processing exception.
|
|
|
|
This exception may be raised by PostProcessor's .run() method to
|
|
indicate an error in the postprocessing task.
|
|
"""
|
|
|
|
def __init__(self, msg):
|
|
self.msg = msg
|
|
|
|
|
|
class MaxDownloadsReached(Exception):
|
|
""" --max-downloads limit has been reached. """
|
|
pass
|
|
|
|
|
|
class UnavailableVideoError(Exception):
|
|
"""Unavailable Format exception.
|
|
|
|
This exception will be thrown when a video is requested
|
|
in a format that is not available for that video.
|
|
"""
|
|
pass
|
|
|
|
|
|
class ContentTooShortError(Exception):
|
|
"""Content Too Short exception.
|
|
|
|
This exception may be raised by FileDownloader objects when a file they
|
|
download is too small for what the server announced first, indicating
|
|
the connection was probably interrupted.
|
|
"""
|
|
# Both in bytes
|
|
downloaded = None
|
|
expected = None
|
|
|
|
def __init__(self, downloaded, expected):
|
|
self.downloaded = downloaded
|
|
self.expected = expected
|
|
|
|
|
|
def _create_http_connection(ydl_handler, http_class, is_https, *args, **kwargs):
|
|
hc = http_class(*args, **kwargs)
|
|
source_address = ydl_handler._params.get('source_address')
|
|
if source_address is not None:
|
|
sa = (source_address, 0)
|
|
if hasattr(hc, 'source_address'): # Python 2.7+
|
|
hc.source_address = sa
|
|
else: # Python 2.6
|
|
def _hc_connect(self, *args, **kwargs):
|
|
sock = compat_socket_create_connection(
|
|
(self.host, self.port), self.timeout, sa)
|
|
if is_https:
|
|
self.sock = ssl.wrap_socket(
|
|
sock, self.key_file, self.cert_file,
|
|
ssl_version=ssl.PROTOCOL_TLSv1)
|
|
else:
|
|
self.sock = sock
|
|
hc.connect = functools.partial(_hc_connect, hc)
|
|
|
|
return hc
|
|
|
|
|
|
class YoutubeDLHandler(compat_urllib_request.HTTPHandler):
|
|
"""Handler for HTTP requests and responses.
|
|
|
|
This class, when installed with an OpenerDirector, automatically adds
|
|
the standard headers to every HTTP request and handles gzipped and
|
|
deflated responses from web servers. If compression is to be avoided in
|
|
a particular request, the original request in the program code only has
|
|
to include the HTTP header "Youtubedl-No-Compression", which will be
|
|
removed before making the real request.
|
|
|
|
Part of this code was copied from:
|
|
|
|
http://techknack.net/python-urllib2-handlers/
|
|
|
|
Andrew Rowls, the author of that code, agreed to release it to the
|
|
public domain.
|
|
"""
|
|
|
|
def __init__(self, params, *args, **kwargs):
|
|
compat_urllib_request.HTTPHandler.__init__(self, *args, **kwargs)
|
|
self._params = params
|
|
|
|
def http_open(self, req):
|
|
return self.do_open(functools.partial(
|
|
_create_http_connection, self, compat_http_client.HTTPConnection, False),
|
|
req)
|
|
|
|
@staticmethod
|
|
def deflate(data):
|
|
try:
|
|
return zlib.decompress(data, -zlib.MAX_WBITS)
|
|
except zlib.error:
|
|
return zlib.decompress(data)
|
|
|
|
@staticmethod
|
|
def addinfourl_wrapper(stream, headers, url, code):
|
|
if hasattr(compat_urllib_request.addinfourl, 'getcode'):
|
|
return compat_urllib_request.addinfourl(stream, headers, url, code)
|
|
ret = compat_urllib_request.addinfourl(stream, headers, url)
|
|
ret.code = code
|
|
return ret
|
|
|
|
def http_request(self, req):
|
|
for h, v in std_headers.items():
|
|
# Capitalize is needed because of Python bug 2275: http://bugs.python.org/issue2275
|
|
# The dict keys are capitalized because of this bug by urllib
|
|
if h.capitalize() not in req.headers:
|
|
req.add_header(h, v)
|
|
if 'Youtubedl-no-compression' in req.headers:
|
|
if 'Accept-encoding' in req.headers:
|
|
del req.headers['Accept-encoding']
|
|
del req.headers['Youtubedl-no-compression']
|
|
|
|
if sys.version_info < (2, 7) and '#' in req.get_full_url():
|
|
# Python 2.6 is brain-dead when it comes to fragments
|
|
req._Request__original = req._Request__original.partition('#')[0]
|
|
req._Request__r_type = req._Request__r_type.partition('#')[0]
|
|
|
|
return req
|
|
|
|
def http_response(self, req, resp):
|
|
old_resp = resp
|
|
# gzip
|
|
if resp.headers.get('Content-encoding', '') == 'gzip':
|
|
content = resp.read()
|
|
gz = gzip.GzipFile(fileobj=io.BytesIO(content), mode='rb')
|
|
try:
|
|
uncompressed = io.BytesIO(gz.read())
|
|
except IOError as original_ioerror:
|
|
# There may be junk add the end of the file
|
|
# See http://stackoverflow.com/q/4928560/35070 for details
|
|
for i in range(1, 1024):
|
|
try:
|
|
gz = gzip.GzipFile(fileobj=io.BytesIO(content[:-i]), mode='rb')
|
|
uncompressed = io.BytesIO(gz.read())
|
|
except IOError:
|
|
continue
|
|
break
|
|
else:
|
|
raise original_ioerror
|
|
resp = self.addinfourl_wrapper(uncompressed, old_resp.headers, old_resp.url, old_resp.code)
|
|
resp.msg = old_resp.msg
|
|
# deflate
|
|
if resp.headers.get('Content-encoding', '') == 'deflate':
|
|
gz = io.BytesIO(self.deflate(resp.read()))
|
|
resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
|
|
resp.msg = old_resp.msg
|
|
return resp
|
|
|
|
https_request = http_request
|
|
https_response = http_response
|
|
|
|
|
|
class YoutubeDLHTTPSHandler(compat_urllib_request.HTTPSHandler):
|
|
def __init__(self, params, https_conn_class=None, *args, **kwargs):
|
|
compat_urllib_request.HTTPSHandler.__init__(self, *args, **kwargs)
|
|
self._https_conn_class = https_conn_class or compat_http_client.HTTPSConnection
|
|
self._params = params
|
|
|
|
def https_open(self, req):
|
|
kwargs = {}
|
|
if hasattr(self, '_context'): # python > 2.6
|
|
kwargs['context'] = self._context
|
|
if hasattr(self, '_check_hostname'): # python 3.x
|
|
kwargs['check_hostname'] = self._check_hostname
|
|
return self.do_open(functools.partial(
|
|
_create_http_connection, self, self._https_conn_class, True),
|
|
req, **kwargs)
|
|
|
|
|
|
def parse_iso8601(date_str, delimiter='T', timezone=None):
|
|
""" Return a UNIX timestamp from the given date """
|
|
|
|
if date_str is None:
|
|
return None
|
|
|
|
if timezone is None:
|
|
m = re.search(
|
|
r'(\.[0-9]+)?(?:Z$| ?(?P<sign>\+|-)(?P<hours>[0-9]{2}):?(?P<minutes>[0-9]{2})$)',
|
|
date_str)
|
|
if not m:
|
|
timezone = datetime.timedelta()
|
|
else:
|
|
date_str = date_str[:-len(m.group(0))]
|
|
if not m.group('sign'):
|
|
timezone = datetime.timedelta()
|
|
else:
|
|
sign = 1 if m.group('sign') == '+' else -1
|
|
timezone = datetime.timedelta(
|
|
hours=sign * int(m.group('hours')),
|
|
minutes=sign * int(m.group('minutes')))
|
|
date_format = '%Y-%m-%d{0}%H:%M:%S'.format(delimiter)
|
|
dt = datetime.datetime.strptime(date_str, date_format) - timezone
|
|
return calendar.timegm(dt.timetuple())
|
|
|
|
|
|
def unified_strdate(date_str, day_first=True):
|
|
"""Return a string with the date in the format YYYYMMDD"""
|
|
|
|
if date_str is None:
|
|
return None
|
|
upload_date = None
|
|
# Replace commas
|
|
date_str = date_str.replace(',', ' ')
|
|
# %z (UTC offset) is only supported in python>=3.2
|
|
if not re.match(r'^[0-9]{1,2}-[0-9]{1,2}-[0-9]{4}$', date_str):
|
|
date_str = re.sub(r' ?(\+|-)[0-9]{2}:?[0-9]{2}$', '', date_str)
|
|
# Remove AM/PM + timezone
|
|
date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
|
|
|
|
format_expressions = [
|
|
'%d %B %Y',
|
|
'%d %b %Y',
|
|
'%B %d %Y',
|
|
'%b %d %Y',
|
|
'%b %dst %Y %I:%M%p',
|
|
'%b %dnd %Y %I:%M%p',
|
|
'%b %dth %Y %I:%M%p',
|
|
'%Y %m %d',
|
|
'%Y-%m-%d',
|
|
'%Y/%m/%d',
|
|
'%Y/%m/%d %H:%M:%S',
|
|
'%Y-%m-%d %H:%M:%S',
|
|
'%Y-%m-%d %H:%M:%S.%f',
|
|
'%d.%m.%Y %H:%M',
|
|
'%d.%m.%Y %H.%M',
|
|
'%Y-%m-%dT%H:%M:%SZ',
|
|
'%Y-%m-%dT%H:%M:%S.%fZ',
|
|
'%Y-%m-%dT%H:%M:%S.%f0Z',
|
|
'%Y-%m-%dT%H:%M:%S',
|
|
'%Y-%m-%dT%H:%M:%S.%f',
|
|
'%Y-%m-%dT%H:%M',
|
|
]
|
|
if day_first:
|
|
format_expressions.extend([
|
|
'%d-%m-%Y',
|
|
'%d.%m.%Y',
|
|
'%d/%m/%Y',
|
|
'%d/%m/%y',
|
|
'%d/%m/%Y %H:%M:%S',
|
|
])
|
|
else:
|
|
format_expressions.extend([
|
|
'%m-%d-%Y',
|
|
'%m.%d.%Y',
|
|
'%m/%d/%Y',
|
|
'%m/%d/%y',
|
|
'%m/%d/%Y %H:%M:%S',
|
|
])
|
|
for expression in format_expressions:
|
|
try:
|
|
upload_date = datetime.datetime.strptime(date_str, expression).strftime('%Y%m%d')
|
|
except ValueError:
|
|
pass
|
|
if upload_date is None:
|
|
timetuple = email.utils.parsedate_tz(date_str)
|
|
if timetuple:
|
|
upload_date = datetime.datetime(*timetuple[:6]).strftime('%Y%m%d')
|
|
return upload_date
|
|
|
|
|
|
def determine_ext(url, default_ext='unknown_video'):
|
|
if url is None:
|
|
return default_ext
|
|
guess = url.partition('?')[0].rpartition('.')[2]
|
|
if re.match(r'^[A-Za-z0-9]+$', guess):
|
|
return guess
|
|
else:
|
|
return default_ext
|
|
|
|
|
|
def subtitles_filename(filename, sub_lang, sub_format):
|
|
return filename.rsplit('.', 1)[0] + '.' + sub_lang + '.' + sub_format
|
|
|
|
|
|
def date_from_str(date_str):
|
|
"""
|
|
Return a datetime object from a string in the format YYYYMMDD or
|
|
(now|today)[+-][0-9](day|week|month|year)(s)?"""
|
|
today = datetime.date.today()
|
|
if date_str in ('now', 'today'):
|
|
return today
|
|
if date_str == 'yesterday':
|
|
return today - datetime.timedelta(days=1)
|
|
match = re.match('(now|today)(?P<sign>[+-])(?P<time>\d+)(?P<unit>day|week|month|year)(s)?', date_str)
|
|
if match is not None:
|
|
sign = match.group('sign')
|
|
time = int(match.group('time'))
|
|
if sign == '-':
|
|
time = -time
|
|
unit = match.group('unit')
|
|
# A bad aproximation?
|
|
if unit == 'month':
|
|
unit = 'day'
|
|
time *= 30
|
|
elif unit == 'year':
|
|
unit = 'day'
|
|
time *= 365
|
|
unit += 's'
|
|
delta = datetime.timedelta(**{unit: time})
|
|
return today + delta
|
|
return datetime.datetime.strptime(date_str, "%Y%m%d").date()
|
|
|
|
|
|
def hyphenate_date(date_str):
|
|
"""
|
|
Convert a date in 'YYYYMMDD' format to 'YYYY-MM-DD' format"""
|
|
match = re.match(r'^(\d\d\d\d)(\d\d)(\d\d)$', date_str)
|
|
if match is not None:
|
|
return '-'.join(match.groups())
|
|
else:
|
|
return date_str
|
|
|
|
|
|
class DateRange(object):
|
|
"""Represents a time interval between two dates"""
|
|
|
|
def __init__(self, start=None, end=None):
|
|
"""start and end must be strings in the format accepted by date"""
|
|
if start is not None:
|
|
self.start = date_from_str(start)
|
|
else:
|
|
self.start = datetime.datetime.min.date()
|
|
if end is not None:
|
|
self.end = date_from_str(end)
|
|
else:
|
|
self.end = datetime.datetime.max.date()
|
|
if self.start > self.end:
|
|
raise ValueError('Date range: "%s" , the start date must be before the end date' % self)
|
|
|
|
@classmethod
|
|
def day(cls, day):
|
|
"""Returns a range that only contains the given day"""
|
|
return cls(day, day)
|
|
|
|
def __contains__(self, date):
|
|
"""Check if the date is in the range"""
|
|
if not isinstance(date, datetime.date):
|
|
date = date_from_str(date)
|
|
return self.start <= date <= self.end
|
|
|
|
def __str__(self):
|
|
return '%s - %s' % (self.start.isoformat(), self.end.isoformat())
|
|
|
|
|
|
def platform_name():
|
|
""" Returns the platform name as a compat_str """
|
|
res = platform.platform()
|
|
if isinstance(res, bytes):
|
|
res = res.decode(preferredencoding())
|
|
|
|
assert isinstance(res, compat_str)
|
|
return res
|
|
|
|
|
|
def _windows_write_string(s, out):
|
|
""" Returns True if the string was written using special methods,
|
|
False if it has yet to be written out."""
|
|
# Adapted from http://stackoverflow.com/a/3259271/35070
|
|
|
|
import ctypes
|
|
import ctypes.wintypes
|
|
|
|
WIN_OUTPUT_IDS = {
|
|
1: -11,
|
|
2: -12,
|
|
}
|
|
|
|
try:
|
|
fileno = out.fileno()
|
|
except AttributeError:
|
|
# If the output stream doesn't have a fileno, it's virtual
|
|
return False
|
|
except io.UnsupportedOperation:
|
|
# Some strange Windows pseudo files?
|
|
return False
|
|
if fileno not in WIN_OUTPUT_IDS:
|
|
return False
|
|
|
|
GetStdHandle = ctypes.WINFUNCTYPE(
|
|
ctypes.wintypes.HANDLE, ctypes.wintypes.DWORD)(
|
|
(b"GetStdHandle", ctypes.windll.kernel32))
|
|
h = GetStdHandle(WIN_OUTPUT_IDS[fileno])
|
|
|
|
WriteConsoleW = ctypes.WINFUNCTYPE(
|
|
ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE, ctypes.wintypes.LPWSTR,
|
|
ctypes.wintypes.DWORD, ctypes.POINTER(ctypes.wintypes.DWORD),
|
|
ctypes.wintypes.LPVOID)((b"WriteConsoleW", ctypes.windll.kernel32))
|
|
written = ctypes.wintypes.DWORD(0)
|
|
|
|
GetFileType = ctypes.WINFUNCTYPE(ctypes.wintypes.DWORD, ctypes.wintypes.DWORD)((b"GetFileType", ctypes.windll.kernel32))
|
|
FILE_TYPE_CHAR = 0x0002
|
|
FILE_TYPE_REMOTE = 0x8000
|
|
GetConsoleMode = ctypes.WINFUNCTYPE(
|
|
ctypes.wintypes.BOOL, ctypes.wintypes.HANDLE,
|
|
ctypes.POINTER(ctypes.wintypes.DWORD))(
|
|
(b"GetConsoleMode", ctypes.windll.kernel32))
|
|
INVALID_HANDLE_VALUE = ctypes.wintypes.DWORD(-1).value
|
|
|
|
def not_a_console(handle):
|
|
if handle == INVALID_HANDLE_VALUE or handle is None:
|
|
return True
|
|
return ((GetFileType(handle) & ~FILE_TYPE_REMOTE) != FILE_TYPE_CHAR or
|
|
GetConsoleMode(handle, ctypes.byref(ctypes.wintypes.DWORD())) == 0)
|
|
|
|
if not_a_console(h):
|
|
return False
|
|
|
|
def next_nonbmp_pos(s):
|
|
try:
|
|
return next(i for i, c in enumerate(s) if ord(c) > 0xffff)
|
|
except StopIteration:
|
|
return len(s)
|
|
|
|
while s:
|
|
count = min(next_nonbmp_pos(s), 1024)
|
|
|
|
ret = WriteConsoleW(
|
|
h, s, count if count else 2, ctypes.byref(written), None)
|
|
if ret == 0:
|
|
raise OSError('Failed to write string')
|
|
if not count: # We just wrote a non-BMP character
|
|
assert written.value == 2
|
|
s = s[1:]
|
|
else:
|
|
assert written.value > 0
|
|
s = s[written.value:]
|
|
return True
|
|
|
|
|
|
def write_string(s, out=None, encoding=None):
|
|
if out is None:
|
|
out = sys.stderr
|
|
assert type(s) == compat_str
|
|
|
|
if sys.platform == 'win32' and encoding is None and hasattr(out, 'fileno'):
|
|
if _windows_write_string(s, out):
|
|
return
|
|
|
|
if ('b' in getattr(out, 'mode', '') or
|
|
sys.version_info[0] < 3): # Python 2 lies about mode of sys.stderr
|
|
byt = s.encode(encoding or preferredencoding(), 'ignore')
|
|
out.write(byt)
|
|
elif hasattr(out, 'buffer'):
|
|
enc = encoding or getattr(out, 'encoding', None) or preferredencoding()
|
|
byt = s.encode(enc, 'ignore')
|
|
out.buffer.write(byt)
|
|
else:
|
|
out.write(s)
|
|
out.flush()
|
|
|
|
|
|
def bytes_to_intlist(bs):
|
|
if not bs:
|
|
return []
|
|
if isinstance(bs[0], int): # Python 3
|
|
return list(bs)
|
|
else:
|
|
return [ord(c) for c in bs]
|
|
|
|
|
|
def intlist_to_bytes(xs):
|
|
if not xs:
|
|
return b''
|
|
return struct_pack('%dB' % len(xs), *xs)
|
|
|
|
|
|
# Cross-platform file locking
|
|
if sys.platform == 'win32':
|
|
import ctypes.wintypes
|
|
import msvcrt
|
|
|
|
class OVERLAPPED(ctypes.Structure):
|
|
_fields_ = [
|
|
('Internal', ctypes.wintypes.LPVOID),
|
|
('InternalHigh', ctypes.wintypes.LPVOID),
|
|
('Offset', ctypes.wintypes.DWORD),
|
|
('OffsetHigh', ctypes.wintypes.DWORD),
|
|
('hEvent', ctypes.wintypes.HANDLE),
|
|
]
|
|
|
|
kernel32 = ctypes.windll.kernel32
|
|
LockFileEx = kernel32.LockFileEx
|
|
LockFileEx.argtypes = [
|
|
ctypes.wintypes.HANDLE, # hFile
|
|
ctypes.wintypes.DWORD, # dwFlags
|
|
ctypes.wintypes.DWORD, # dwReserved
|
|
ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
|
|
ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
|
|
ctypes.POINTER(OVERLAPPED) # Overlapped
|
|
]
|
|
LockFileEx.restype = ctypes.wintypes.BOOL
|
|
UnlockFileEx = kernel32.UnlockFileEx
|
|
UnlockFileEx.argtypes = [
|
|
ctypes.wintypes.HANDLE, # hFile
|
|
ctypes.wintypes.DWORD, # dwReserved
|
|
ctypes.wintypes.DWORD, # nNumberOfBytesToLockLow
|
|
ctypes.wintypes.DWORD, # nNumberOfBytesToLockHigh
|
|
ctypes.POINTER(OVERLAPPED) # Overlapped
|
|
]
|
|
UnlockFileEx.restype = ctypes.wintypes.BOOL
|
|
whole_low = 0xffffffff
|
|
whole_high = 0x7fffffff
|
|
|
|
def _lock_file(f, exclusive):
|
|
overlapped = OVERLAPPED()
|
|
overlapped.Offset = 0
|
|
overlapped.OffsetHigh = 0
|
|
overlapped.hEvent = 0
|
|
f._lock_file_overlapped_p = ctypes.pointer(overlapped)
|
|
handle = msvcrt.get_osfhandle(f.fileno())
|
|
if not LockFileEx(handle, 0x2 if exclusive else 0x0, 0,
|
|
whole_low, whole_high, f._lock_file_overlapped_p):
|
|
raise OSError('Locking file failed: %r' % ctypes.FormatError())
|
|
|
|
def _unlock_file(f):
|
|
assert f._lock_file_overlapped_p
|
|
handle = msvcrt.get_osfhandle(f.fileno())
|
|
if not UnlockFileEx(handle, 0,
|
|
whole_low, whole_high, f._lock_file_overlapped_p):
|
|
raise OSError('Unlocking file failed: %r' % ctypes.FormatError())
|
|
|
|
else:
|
|
import fcntl
|
|
|
|
def _lock_file(f, exclusive):
|
|
fcntl.flock(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
|
|
|
|
def _unlock_file(f):
|
|
fcntl.flock(f, fcntl.LOCK_UN)
|
|
|
|
|
|
class locked_file(object):
|
|
def __init__(self, filename, mode, encoding=None):
|
|
assert mode in ['r', 'a', 'w']
|
|
self.f = io.open(filename, mode, encoding=encoding)
|
|
self.mode = mode
|
|
|
|
def __enter__(self):
|
|
exclusive = self.mode != 'r'
|
|
try:
|
|
_lock_file(self.f, exclusive)
|
|
except IOError:
|
|
self.f.close()
|
|
raise
|
|
return self
|
|
|
|
def __exit__(self, etype, value, traceback):
|
|
try:
|
|
_unlock_file(self.f)
|
|
finally:
|
|
self.f.close()
|
|
|
|
def __iter__(self):
|
|
return iter(self.f)
|
|
|
|
def write(self, *args):
|
|
return self.f.write(*args)
|
|
|
|
def read(self, *args):
|
|
return self.f.read(*args)
|
|
|
|
|
|
def get_filesystem_encoding():
|
|
encoding = sys.getfilesystemencoding()
|
|
return encoding if encoding is not None else 'utf-8'
|
|
|
|
|
|
def shell_quote(args):
|
|
quoted_args = []
|
|
encoding = get_filesystem_encoding()
|
|
for a in args:
|
|
if isinstance(a, bytes):
|
|
# We may get a filename encoded with 'encodeFilename'
|
|
a = a.decode(encoding)
|
|
quoted_args.append(pipes.quote(a))
|
|
return ' '.join(quoted_args)
|
|
|
|
|
|
def smuggle_url(url, data):
|
|
""" Pass additional data in a URL for internal use. """
|
|
|
|
sdata = compat_urllib_parse.urlencode(
|
|
{'__youtubedl_smuggle': json.dumps(data)})
|
|
return url + '#' + sdata
|
|
|
|
|
|
def unsmuggle_url(smug_url, default=None):
|
|
if '#__youtubedl_smuggle' not in smug_url:
|
|
return smug_url, default
|
|
url, _, sdata = smug_url.rpartition('#')
|
|
jsond = compat_parse_qs(sdata)['__youtubedl_smuggle'][0]
|
|
data = json.loads(jsond)
|
|
return url, data
|
|
|
|
|
|
def format_bytes(bytes):
|
|
if bytes is None:
|
|
return 'N/A'
|
|
if type(bytes) is str:
|
|
bytes = float(bytes)
|
|
if bytes == 0.0:
|
|
exponent = 0
|
|
else:
|
|
exponent = int(math.log(bytes, 1024.0))
|
|
suffix = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'][exponent]
|
|
converted = float(bytes) / float(1024 ** exponent)
|
|
return '%.2f%s' % (converted, suffix)
|
|
|
|
|
|
def parse_filesize(s):
|
|
if s is None:
|
|
return None
|
|
|
|
# The lower-case forms are of course incorrect and inofficial,
|
|
# but we support those too
|
|
_UNIT_TABLE = {
|
|
'B': 1,
|
|
'b': 1,
|
|
'KiB': 1024,
|
|
'KB': 1000,
|
|
'kB': 1024,
|
|
'Kb': 1000,
|
|
'MiB': 1024 ** 2,
|
|
'MB': 1000 ** 2,
|
|
'mB': 1024 ** 2,
|
|
'Mb': 1000 ** 2,
|
|
'GiB': 1024 ** 3,
|
|
'GB': 1000 ** 3,
|
|
'gB': 1024 ** 3,
|
|
'Gb': 1000 ** 3,
|
|
'TiB': 1024 ** 4,
|
|
'TB': 1000 ** 4,
|
|
'tB': 1024 ** 4,
|
|
'Tb': 1000 ** 4,
|
|
'PiB': 1024 ** 5,
|
|
'PB': 1000 ** 5,
|
|
'pB': 1024 ** 5,
|
|
'Pb': 1000 ** 5,
|
|
'EiB': 1024 ** 6,
|
|
'EB': 1000 ** 6,
|
|
'eB': 1024 ** 6,
|
|
'Eb': 1000 ** 6,
|
|
'ZiB': 1024 ** 7,
|
|
'ZB': 1000 ** 7,
|
|
'zB': 1024 ** 7,
|
|
'Zb': 1000 ** 7,
|
|
'YiB': 1024 ** 8,
|
|
'YB': 1000 ** 8,
|
|
'yB': 1024 ** 8,
|
|
'Yb': 1000 ** 8,
|
|
}
|
|
|
|
units_re = '|'.join(re.escape(u) for u in _UNIT_TABLE)
|
|
m = re.match(
|
|
r'(?P<num>[0-9]+(?:[,.][0-9]*)?)\s*(?P<unit>%s)' % units_re, s)
|
|
if not m:
|
|
return None
|
|
|
|
num_str = m.group('num').replace(',', '.')
|
|
mult = _UNIT_TABLE[m.group('unit')]
|
|
return int(float(num_str) * mult)
|
|
|
|
|
|
def month_by_name(name):
|
|
""" Return the number of a month by (locale-independently) English name """
|
|
|
|
try:
|
|
return ENGLISH_MONTH_NAMES.index(name) + 1
|
|
except ValueError:
|
|
return None
|
|
|
|
|
|
def month_by_abbreviation(abbrev):
|
|
""" Return the number of a month by (locale-independently) English
|
|
abbreviations """
|
|
|
|
try:
|
|
return [s[:3] for s in ENGLISH_MONTH_NAMES].index(abbrev) + 1
|
|
except ValueError:
|
|
return None
|
|
|
|
|
|
def fix_xml_ampersands(xml_str):
|
|
"""Replace all the '&' by '&' in XML"""
|
|
return re.sub(
|
|
r'&(?!amp;|lt;|gt;|apos;|quot;|#x[0-9a-fA-F]{,4};|#[0-9]{,4};)',
|
|
'&',
|
|
xml_str)
|
|
|
|
|
|
def setproctitle(title):
|
|
assert isinstance(title, compat_str)
|
|
try:
|
|
libc = ctypes.cdll.LoadLibrary("libc.so.6")
|
|
except OSError:
|
|
return
|
|
title_bytes = title.encode('utf-8')
|
|
buf = ctypes.create_string_buffer(len(title_bytes))
|
|
buf.value = title_bytes
|
|
try:
|
|
libc.prctl(15, buf, 0, 0, 0)
|
|
except AttributeError:
|
|
return # Strange libc, just skip this
|
|
|
|
|
|
def remove_start(s, start):
|
|
if s.startswith(start):
|
|
return s[len(start):]
|
|
return s
|
|
|
|
|
|
def remove_end(s, end):
|
|
if s.endswith(end):
|
|
return s[:-len(end)]
|
|
return s
|
|
|
|
|
|
def url_basename(url):
|
|
path = compat_urlparse.urlparse(url).path
|
|
return path.strip('/').split('/')[-1]
|
|
|
|
|
|
class HEADRequest(compat_urllib_request.Request):
|
|
def get_method(self):
|
|
return "HEAD"
|
|
|
|
|
|
def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1):
|
|
if get_attr:
|
|
if v is not None:
|
|
v = getattr(v, get_attr, None)
|
|
if v == '':
|
|
v = None
|
|
return default if v is None else (int(v) * invscale // scale)
|
|
|
|
|
|
def str_or_none(v, default=None):
|
|
return default if v is None else compat_str(v)
|
|
|
|
|
|
def str_to_int(int_str):
|
|
""" A more relaxed version of int_or_none """
|
|
if int_str is None:
|
|
return None
|
|
int_str = re.sub(r'[,\.\+]', '', int_str)
|
|
return int(int_str)
|
|
|
|
|
|
def float_or_none(v, scale=1, invscale=1, default=None):
|
|
return default if v is None else (float(v) * invscale / scale)
|
|
|
|
|
|
def parse_duration(s):
|
|
if not isinstance(s, compat_basestring):
|
|
return None
|
|
|
|
s = s.strip()
|
|
|
|
m = re.match(
|
|
r'''(?ix)(?:P?T)?
|
|
(?:
|
|
(?P<only_mins>[0-9.]+)\s*(?:mins?|minutes?)\s*|
|
|
(?P<only_hours>[0-9.]+)\s*(?:hours?)|
|
|
|
|
\s*(?P<hours_reversed>[0-9]+)\s*(?:[:h]|hours?)\s*(?P<mins_reversed>[0-9]+)\s*(?:[:m]|mins?|minutes?)\s*|
|
|
(?:
|
|
(?:
|
|
(?:(?P<days>[0-9]+)\s*(?:[:d]|days?)\s*)?
|
|
(?P<hours>[0-9]+)\s*(?:[:h]|hours?)\s*
|
|
)?
|
|
(?P<mins>[0-9]+)\s*(?:[:m]|mins?|minutes?)\s*
|
|
)?
|
|
(?P<secs>[0-9]+)(?P<ms>\.[0-9]+)?\s*(?:s|secs?|seconds?)?
|
|
)$''', s)
|
|
if not m:
|
|
return None
|
|
res = 0
|
|
if m.group('only_mins'):
|
|
return float_or_none(m.group('only_mins'), invscale=60)
|
|
if m.group('only_hours'):
|
|
return float_or_none(m.group('only_hours'), invscale=60 * 60)
|
|
if m.group('secs'):
|
|
res += int(m.group('secs'))
|
|
if m.group('mins_reversed'):
|
|
res += int(m.group('mins_reversed')) * 60
|
|
if m.group('mins'):
|
|
res += int(m.group('mins')) * 60
|
|
if m.group('hours'):
|
|
res += int(m.group('hours')) * 60 * 60
|
|
if m.group('hours_reversed'):
|
|
res += int(m.group('hours_reversed')) * 60 * 60
|
|
if m.group('days'):
|
|
res += int(m.group('days')) * 24 * 60 * 60
|
|
if m.group('ms'):
|
|
res += float(m.group('ms'))
|
|
return res
|
|
|
|
|
|
def prepend_extension(filename, ext, expected_real_ext=None):
|
|
name, real_ext = os.path.splitext(filename)
|
|
return (
|
|
'{0}.{1}{2}'.format(name, ext, real_ext)
|
|
if not expected_real_ext or real_ext[1:] == expected_real_ext
|
|
else '{0}.{1}'.format(filename, ext))
|
|
|
|
|
|
def replace_extension(filename, ext, expected_real_ext=None):
|
|
name, real_ext = os.path.splitext(filename)
|
|
return '{0}.{1}'.format(
|
|
name if not expected_real_ext or real_ext[1:] == expected_real_ext else filename,
|
|
ext)
|
|
|
|
|
|
def check_executable(exe, args=[]):
|
|
""" Checks if the given binary is installed somewhere in PATH, and returns its name.
|
|
args can be a list of arguments for a short output (like -version) """
|
|
try:
|
|
subprocess.Popen([exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
|
|
except OSError:
|
|
return False
|
|
return exe
|
|
|
|
|
|
def get_exe_version(exe, args=['--version'],
|
|
version_re=None, unrecognized='present'):
|
|
""" Returns the version of the specified executable,
|
|
or False if the executable is not present """
|
|
try:
|
|
out, _ = subprocess.Popen(
|
|
[encodeArgument(exe)] + args,
|
|
stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()
|
|
except OSError:
|
|
return False
|
|
if isinstance(out, bytes): # Python 2.x
|
|
out = out.decode('ascii', 'ignore')
|
|
return detect_exe_version(out, version_re, unrecognized)
|
|
|
|
|
|
def detect_exe_version(output, version_re=None, unrecognized='present'):
|
|
assert isinstance(output, compat_str)
|
|
if version_re is None:
|
|
version_re = r'version\s+([-0-9._a-zA-Z]+)'
|
|
m = re.search(version_re, output)
|
|
if m:
|
|
return m.group(1)
|
|
else:
|
|
return unrecognized
|
|
|
|
|
|
class PagedList(object):
|
|
def __len__(self):
|
|
# This is only useful for tests
|
|
return len(self.getslice())
|
|
|
|
|
|
class OnDemandPagedList(PagedList):
|
|
def __init__(self, pagefunc, pagesize):
|
|
self._pagefunc = pagefunc
|
|
self._pagesize = pagesize
|
|
|
|
def getslice(self, start=0, end=None):
|
|
res = []
|
|
for pagenum in itertools.count(start // self._pagesize):
|
|
firstid = pagenum * self._pagesize
|
|
nextfirstid = pagenum * self._pagesize + self._pagesize
|
|
if start >= nextfirstid:
|
|
continue
|
|
|
|
page_results = list(self._pagefunc(pagenum))
|
|
|
|
startv = (
|
|
start % self._pagesize
|
|
if firstid <= start < nextfirstid
|
|
else 0)
|
|
|
|
endv = (
|
|
((end - 1) % self._pagesize) + 1
|
|
if (end is not None and firstid <= end <= nextfirstid)
|
|
else None)
|
|
|
|
if startv != 0 or endv is not None:
|
|
page_results = page_results[startv:endv]
|
|
res.extend(page_results)
|
|
|
|
# A little optimization - if current page is not "full", ie. does
|
|
# not contain page_size videos then we can assume that this page
|
|
# is the last one - there are no more ids on further pages -
|
|
# i.e. no need to query again.
|
|
if len(page_results) + startv < self._pagesize:
|
|
break
|
|
|
|
# If we got the whole page, but the next page is not interesting,
|
|
# break out early as well
|
|
if end == nextfirstid:
|
|
break
|
|
return res
|
|
|
|
|
|
class InAdvancePagedList(PagedList):
|
|
def __init__(self, pagefunc, pagecount, pagesize):
|
|
self._pagefunc = pagefunc
|
|
self._pagecount = pagecount
|
|
self._pagesize = pagesize
|
|
|
|
def getslice(self, start=0, end=None):
|
|
res = []
|
|
start_page = start // self._pagesize
|
|
end_page = (
|
|
self._pagecount if end is None else (end // self._pagesize + 1))
|
|
skip_elems = start - start_page * self._pagesize
|
|
only_more = None if end is None else end - start
|
|
for pagenum in range(start_page, end_page):
|
|
page = list(self._pagefunc(pagenum))
|
|
if skip_elems:
|
|
page = page[skip_elems:]
|
|
skip_elems = None
|
|
if only_more is not None:
|
|
if len(page) < only_more:
|
|
only_more -= len(page)
|
|
else:
|
|
page = page[:only_more]
|
|
res.extend(page)
|
|
break
|
|
res.extend(page)
|
|
return res
|
|
|
|
|
|
def uppercase_escape(s):
|
|
unicode_escape = codecs.getdecoder('unicode_escape')
|
|
return re.sub(
|
|
r'\\U[0-9a-fA-F]{8}',
|
|
lambda m: unicode_escape(m.group(0))[0],
|
|
s)
|
|
|
|
|
|
def lowercase_escape(s):
|
|
unicode_escape = codecs.getdecoder('unicode_escape')
|
|
return re.sub(
|
|
r'\\u[0-9a-fA-F]{4}',
|
|
lambda m: unicode_escape(m.group(0))[0],
|
|
s)
|
|
|
|
|
|
def escape_rfc3986(s):
|
|
"""Escape non-ASCII characters as suggested by RFC 3986"""
|
|
if sys.version_info < (3, 0) and isinstance(s, compat_str):
|
|
s = s.encode('utf-8')
|
|
return compat_urllib_parse.quote(s, b"%/;:@&=+$,!~*'()?#[]")
|
|
|
|
|
|
def escape_url(url):
|
|
"""Escape URL as suggested by RFC 3986"""
|
|
url_parsed = compat_urllib_parse_urlparse(url)
|
|
return url_parsed._replace(
|
|
path=escape_rfc3986(url_parsed.path),
|
|
params=escape_rfc3986(url_parsed.params),
|
|
query=escape_rfc3986(url_parsed.query),
|
|
fragment=escape_rfc3986(url_parsed.fragment)
|
|
).geturl()
|
|
|
|
try:
|
|
struct.pack('!I', 0)
|
|
except TypeError:
|
|
# In Python 2.6 (and some 2.7 versions), struct requires a bytes argument
|
|
def struct_pack(spec, *args):
|
|
if isinstance(spec, compat_str):
|
|
spec = spec.encode('ascii')
|
|
return struct.pack(spec, *args)
|
|
|
|
def struct_unpack(spec, *args):
|
|
if isinstance(spec, compat_str):
|
|
spec = spec.encode('ascii')
|
|
return struct.unpack(spec, *args)
|
|
else:
|
|
struct_pack = struct.pack
|
|
struct_unpack = struct.unpack
|
|
|
|
|
|
def read_batch_urls(batch_fd):
|
|
def fixup(url):
|
|
if not isinstance(url, compat_str):
|
|
url = url.decode('utf-8', 'replace')
|
|
BOM_UTF8 = '\xef\xbb\xbf'
|
|
if url.startswith(BOM_UTF8):
|
|
url = url[len(BOM_UTF8):]
|
|
url = url.strip()
|
|
if url.startswith(('#', ';', ']')):
|
|
return False
|
|
return url
|
|
|
|
with contextlib.closing(batch_fd) as fd:
|
|
return [url for url in map(fixup, fd) if url]
|
|
|
|
|
|
def urlencode_postdata(*args, **kargs):
|
|
return compat_urllib_parse.urlencode(*args, **kargs).encode('ascii')
|
|
|
|
|
|
try:
|
|
etree_iter = xml.etree.ElementTree.Element.iter
|
|
except AttributeError: # Python <=2.6
|
|
etree_iter = lambda n: n.findall('.//*')
|
|
|
|
|
|
def parse_xml(s):
|
|
class TreeBuilder(xml.etree.ElementTree.TreeBuilder):
|
|
def doctype(self, name, pubid, system):
|
|
pass # Ignore doctypes
|
|
|
|
parser = xml.etree.ElementTree.XMLParser(target=TreeBuilder())
|
|
kwargs = {'parser': parser} if sys.version_info >= (2, 7) else {}
|
|
tree = xml.etree.ElementTree.XML(s.encode('utf-8'), **kwargs)
|
|
# Fix up XML parser in Python 2.x
|
|
if sys.version_info < (3, 0):
|
|
for n in etree_iter(tree):
|
|
if n.text is not None:
|
|
if not isinstance(n.text, compat_str):
|
|
n.text = n.text.decode('utf-8')
|
|
return tree
|
|
|
|
|
|
US_RATINGS = {
|
|
'G': 0,
|
|
'PG': 10,
|
|
'PG-13': 13,
|
|
'R': 16,
|
|
'NC': 18,
|
|
}
|
|
|
|
|
|
def parse_age_limit(s):
|
|
if s is None:
|
|
return None
|
|
m = re.match(r'^(?P<age>\d{1,2})\+?$', s)
|
|
return int(m.group('age')) if m else US_RATINGS.get(s, None)
|
|
|
|
|
|
def strip_jsonp(code):
|
|
return re.sub(
|
|
r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?(?://[^\n]*)*$', r'\1', code)
|
|
|
|
|
|
def js_to_json(code):
|
|
def fix_kv(m):
|
|
v = m.group(0)
|
|
if v in ('true', 'false', 'null'):
|
|
return v
|
|
if v.startswith('"'):
|
|
return v
|
|
if v.startswith("'"):
|
|
v = v[1:-1]
|
|
v = re.sub(r"\\\\|\\'|\"", lambda m: {
|
|
'\\\\': '\\\\',
|
|
"\\'": "'",
|
|
'"': '\\"',
|
|
}[m.group(0)], v)
|
|
return '"%s"' % v
|
|
|
|
res = re.sub(r'''(?x)
|
|
"(?:[^"\\]*(?:\\\\|\\['"nu]))*[^"\\]*"|
|
|
'(?:[^'\\]*(?:\\\\|\\['"nu]))*[^'\\]*'|
|
|
[a-zA-Z_][.a-zA-Z_0-9]*
|
|
''', fix_kv, code)
|
|
res = re.sub(r',(\s*[\]}])', lambda m: m.group(1), res)
|
|
return res
|
|
|
|
|
|
def qualities(quality_ids):
|
|
""" Get a numeric quality value out of a list of possible values """
|
|
def q(qid):
|
|
try:
|
|
return quality_ids.index(qid)
|
|
except ValueError:
|
|
return -1
|
|
return q
|
|
|
|
|
|
DEFAULT_OUTTMPL = '%(title)s-%(id)s.%(ext)s'
|
|
|
|
|
|
def limit_length(s, length):
|
|
""" Add ellipses to overly long strings """
|
|
if s is None:
|
|
return None
|
|
ELLIPSES = '...'
|
|
if len(s) > length:
|
|
return s[:length - len(ELLIPSES)] + ELLIPSES
|
|
return s
|
|
|
|
|
|
def version_tuple(v):
|
|
return tuple(int(e) for e in re.split(r'[-.]', v))
|
|
|
|
|
|
def is_outdated_version(version, limit, assume_new=True):
|
|
if not version:
|
|
return not assume_new
|
|
try:
|
|
return version_tuple(version) < version_tuple(limit)
|
|
except ValueError:
|
|
return not assume_new
|
|
|
|
|
|
def ytdl_is_updateable():
|
|
""" Returns if youtube-dl can be updated with -U """
|
|
from zipimport import zipimporter
|
|
|
|
return isinstance(globals().get('__loader__'), zipimporter) or hasattr(sys, 'frozen')
|
|
|
|
|
|
def args_to_str(args):
|
|
# Get a short string representation for a subprocess command
|
|
return ' '.join(shlex_quote(a) for a in args)
|
|
|
|
|
|
def mimetype2ext(mt):
|
|
_, _, res = mt.rpartition('/')
|
|
|
|
return {
|
|
'x-ms-wmv': 'wmv',
|
|
'x-mp4-fragmented': 'mp4',
|
|
'ttml+xml': 'ttml',
|
|
}.get(res, res)
|
|
|
|
|
|
def urlhandle_detect_ext(url_handle):
|
|
try:
|
|
url_handle.headers
|
|
getheader = lambda h: url_handle.headers[h]
|
|
except AttributeError: # Python < 3
|
|
getheader = url_handle.info().getheader
|
|
|
|
cd = getheader('Content-Disposition')
|
|
if cd:
|
|
m = re.match(r'attachment;\s*filename="(?P<filename>[^"]+)"', cd)
|
|
if m:
|
|
e = determine_ext(m.group('filename'), default_ext=None)
|
|
if e:
|
|
return e
|
|
|
|
return mimetype2ext(getheader('Content-Type'))
|
|
|
|
|
|
def age_restricted(content_limit, age_limit):
|
|
""" Returns True iff the content should be blocked """
|
|
|
|
if age_limit is None: # No limit set
|
|
return False
|
|
if content_limit is None:
|
|
return False # Content available for everyone
|
|
return age_limit < content_limit
|
|
|
|
|
|
def is_html(first_bytes):
|
|
""" Detect whether a file contains HTML by examining its first bytes. """
|
|
|
|
BOMS = [
|
|
(b'\xef\xbb\xbf', 'utf-8'),
|
|
(b'\x00\x00\xfe\xff', 'utf-32-be'),
|
|
(b'\xff\xfe\x00\x00', 'utf-32-le'),
|
|
(b'\xff\xfe', 'utf-16-le'),
|
|
(b'\xfe\xff', 'utf-16-be'),
|
|
]
|
|
for bom, enc in BOMS:
|
|
if first_bytes.startswith(bom):
|
|
s = first_bytes[len(bom):].decode(enc, 'replace')
|
|
break
|
|
else:
|
|
s = first_bytes.decode('utf-8', 'replace')
|
|
|
|
return re.match(r'^\s*<', s)
|
|
|
|
|
|
def determine_protocol(info_dict):
|
|
protocol = info_dict.get('protocol')
|
|
if protocol is not None:
|
|
return protocol
|
|
|
|
url = info_dict['url']
|
|
if url.startswith('rtmp'):
|
|
return 'rtmp'
|
|
elif url.startswith('mms'):
|
|
return 'mms'
|
|
elif url.startswith('rtsp'):
|
|
return 'rtsp'
|
|
|
|
ext = determine_ext(url)
|
|
if ext == 'm3u8':
|
|
return 'm3u8'
|
|
elif ext == 'f4m':
|
|
return 'f4m'
|
|
|
|
return compat_urllib_parse_urlparse(url).scheme
|
|
|
|
|
|
def render_table(header_row, data):
|
|
""" Render a list of rows, each as a list of values """
|
|
table = [header_row] + data
|
|
max_lens = [max(len(compat_str(v)) for v in col) for col in zip(*table)]
|
|
format_str = ' '.join('%-' + compat_str(ml + 1) + 's' for ml in max_lens[:-1]) + '%s'
|
|
return '\n'.join(format_str % tuple(row) for row in table)
|
|
|
|
|
|
def _match_one(filter_part, dct):
|
|
COMPARISON_OPERATORS = {
|
|
'<': operator.lt,
|
|
'<=': operator.le,
|
|
'>': operator.gt,
|
|
'>=': operator.ge,
|
|
'=': operator.eq,
|
|
'!=': operator.ne,
|
|
}
|
|
operator_rex = re.compile(r'''(?x)\s*
|
|
(?P<key>[a-z_]+)
|
|
\s*(?P<op>%s)(?P<none_inclusive>\s*\?)?\s*
|
|
(?:
|
|
(?P<intval>[0-9.]+(?:[kKmMgGtTpPeEzZyY]i?[Bb]?)?)|
|
|
(?P<strval>(?![0-9.])[a-z0-9A-Z]*)
|
|
)
|
|
\s*$
|
|
''' % '|'.join(map(re.escape, COMPARISON_OPERATORS.keys())))
|
|
m = operator_rex.search(filter_part)
|
|
if m:
|
|
op = COMPARISON_OPERATORS[m.group('op')]
|
|
if m.group('strval') is not None:
|
|
if m.group('op') not in ('=', '!='):
|
|
raise ValueError(
|
|
'Operator %s does not support string values!' % m.group('op'))
|
|
comparison_value = m.group('strval')
|
|
else:
|
|
try:
|
|
comparison_value = int(m.group('intval'))
|
|
except ValueError:
|
|
comparison_value = parse_filesize(m.group('intval'))
|
|
if comparison_value is None:
|
|
comparison_value = parse_filesize(m.group('intval') + 'B')
|
|
if comparison_value is None:
|
|
raise ValueError(
|
|
'Invalid integer value %r in filter part %r' % (
|
|
m.group('intval'), filter_part))
|
|
actual_value = dct.get(m.group('key'))
|
|
if actual_value is None:
|
|
return m.group('none_inclusive')
|
|
return op(actual_value, comparison_value)
|
|
|
|
UNARY_OPERATORS = {
|
|
'': lambda v: v is not None,
|
|
'!': lambda v: v is None,
|
|
}
|
|
operator_rex = re.compile(r'''(?x)\s*
|
|
(?P<op>%s)\s*(?P<key>[a-z_]+)
|
|
\s*$
|
|
''' % '|'.join(map(re.escape, UNARY_OPERATORS.keys())))
|
|
m = operator_rex.search(filter_part)
|
|
if m:
|
|
op = UNARY_OPERATORS[m.group('op')]
|
|
actual_value = dct.get(m.group('key'))
|
|
return op(actual_value)
|
|
|
|
raise ValueError('Invalid filter part %r' % filter_part)
|
|
|
|
|
|
def match_str(filter_str, dct):
|
|
""" Filter a dictionary with a simple string syntax. Returns True (=passes filter) or false """
|
|
|
|
return all(
|
|
_match_one(filter_part, dct) for filter_part in filter_str.split('&'))
|
|
|
|
|
|
def match_filter_func(filter_str):
|
|
def _match_func(info_dict):
|
|
if match_str(filter_str, info_dict):
|
|
return None
|
|
else:
|
|
video_title = info_dict.get('title', info_dict.get('id', 'video'))
|
|
return '%s does not pass filter %s, skipping ..' % (video_title, filter_str)
|
|
return _match_func
|
|
|
|
|
|
def parse_dfxp_time_expr(time_expr):
|
|
if not time_expr:
|
|
return 0.0
|
|
|
|
mobj = re.match(r'^(?P<time_offset>\d+(?:\.\d+)?)s?$', time_expr)
|
|
if mobj:
|
|
return float(mobj.group('time_offset'))
|
|
|
|
mobj = re.match(r'^(\d+):(\d\d):(\d\d(?:\.\d+)?)$', time_expr)
|
|
if mobj:
|
|
return 3600 * int(mobj.group(1)) + 60 * int(mobj.group(2)) + float(mobj.group(3))
|
|
|
|
|
|
def srt_subtitles_timecode(seconds):
|
|
return '%02d:%02d:%02d,%03d' % (seconds / 3600, (seconds % 3600) / 60, seconds % 60, (seconds % 1) * 1000)
|
|
|
|
|
|
def dfxp2srt(dfxp_data):
|
|
_x = functools.partial(xpath_with_ns, ns_map={'ttml': 'http://www.w3.org/ns/ttml'})
|
|
|
|
def parse_node(node):
|
|
str_or_empty = functools.partial(str_or_none, default='')
|
|
|
|
out = str_or_empty(node.text)
|
|
|
|
for child in node:
|
|
if child.tag in (_x('ttml:br'), 'br'):
|
|
out += '\n' + str_or_empty(child.tail)
|
|
elif child.tag in (_x('ttml:span'), 'span'):
|
|
out += str_or_empty(parse_node(child))
|
|
else:
|
|
out += str_or_empty(xml.etree.ElementTree.tostring(child))
|
|
|
|
return out
|
|
|
|
dfxp = xml.etree.ElementTree.fromstring(dfxp_data.encode('utf-8'))
|
|
out = []
|
|
paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall('.//p')
|
|
|
|
if not paras:
|
|
raise ValueError('Invalid dfxp/TTML subtitle')
|
|
|
|
for para, index in zip(paras, itertools.count(1)):
|
|
begin_time = parse_dfxp_time_expr(para.attrib['begin'])
|
|
end_time = parse_dfxp_time_expr(para.attrib.get('end'))
|
|
if not end_time:
|
|
end_time = begin_time + parse_dfxp_time_expr(para.attrib['dur'])
|
|
out.append('%d\n%s --> %s\n%s\n\n' % (
|
|
index,
|
|
srt_subtitles_timecode(begin_time),
|
|
srt_subtitles_timecode(end_time),
|
|
parse_node(para)))
|
|
|
|
return ''.join(out)
|
|
|
|
|
|
class PerRequestProxyHandler(compat_urllib_request.ProxyHandler):
|
|
def __init__(self, proxies=None):
|
|
# Set default handlers
|
|
for type in ('http', 'https'):
|
|
setattr(self, '%s_open' % type,
|
|
lambda r, proxy='__noproxy__', type=type, meth=self.proxy_open:
|
|
meth(r, proxy, type))
|
|
return compat_urllib_request.ProxyHandler.__init__(self, proxies)
|
|
|
|
def proxy_open(self, req, proxy, type):
|
|
req_proxy = req.headers.get('Ytdl-request-proxy')
|
|
if req_proxy is not None:
|
|
proxy = req_proxy
|
|
del req.headers['Ytdl-request-proxy']
|
|
|
|
if proxy == '__noproxy__':
|
|
return None # No Proxy
|
|
return compat_urllib_request.ProxyHandler.proxy_open(
|
|
self, req, proxy, type)
|